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RDP through VPN does not work now (used to work)

Posted on 2007-04-02
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Last Modified: 2013-11-21
Hi,
I have a strange situation with remote desktop.  I had a single 2003 server, AD, DNS, DHCP, and RRAS, that needed to be taken down for a couple of days.  I installed a second server, promoted it, configured DNS, DHCP, and took the first server down for maintenance.  Then I brought the first server back on line, but did not have it run DHCP.  Both servers have a part of the scope, so this is not a problem.  Users used to be able to VPN in and connect to PCs/Servers on the network.  Then they could not, so I checked DNS records.  There were some conflicting entries, so I modified as necessary.  Everything works fine from the inside - ping by name, ping by IP, remote desktop.  VPN is able to connect from the outside, and ping internal resources by FQDN and ip.  I can connect to shares on the servers using UNC.  However, when I try and rdp into a server from outside through the VPN it just hangs.  I never get the logon screen, just the error message that says the connection to the remote computerwas broken....
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Question by:wspjones99
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by:LimeSMJ
ID: 18847697
Does the Event Log on the RRAS moachine give any type of errors/codes?
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by:wspjones99
ID: 18866418
Hi,
Thanks for the reply.  There are no errors in the RRAS machine, VPN is OK.  I have a laptop that I also use, and that has no problem establishing the RDP.  Very strange, maybe a packet size problem?
Thanks - Wayne
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Accepted Solution

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wspjones99 earned 0 total points
ID: 18867246
Hi,
It turns out the TCP/IP stack got messed up.  I ran the fix from Microsoft - KB299357 - How to reset Internet Protocol (TCP/IP) in Windows XP, and it works fine now.
I found the info in the followaing post at the end - http://www.experts-exchange.com/Networking/Misc/Q_21618230.htm

Thanks - Waynel
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